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    Question about slip

    Thanks in advance for all the sage advice: Questions first: 1.) Is 2.5% slip a "real" number? That's what I get using online calculators 2.) What is appropriate fuel usage for my motor? Raw data: 1978 Evinrude 115hp on a Parker 18 ft Center Console. 2:1 gear ratio Propeller is a 4 blade...
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    Propeller Slip and a 4-blade composite propeller

    Guys, I just got my 4 blade propeller in the mail this morning, so we took it out and it did great, It's a "COMPROP" brand and is made from a magical composite of Kryptonite and Unicron hooves, I think. My question is: I took GPS speed readings at a few RPM close to WOT, and the slip is between...
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    1978 Evinrude 115HP Won't exceed 2800 RPM

    Hello, smart guys, Y'all helped me a year ago - hopefully you can help me this time. I have an Evinrude 115893 115 HP 1978 V4 outboard. It starts IMMEDIATELY when warm, and in 2 seconds when cold. GREAT motor on my 18ft Parker Center Console. I was out Memorial Day and doing fine, pulling a...
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    Which cylinder is Cylinder 1? 1978 115hp Evinrude

    OK I think I know this. My manual says #1 cylinder is the top one on the starboard side. I know up from down and starboard from port. BUT... when I check the timing marking on the flywheel, the 0 deg TDC mark is in line with cylinder #4. The little needle with the adjustment slot is right at 0...
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